Emerging Infectious Disease ISSN: 1080-6059

Antimicrobial Ointments and Methicillin-Resistant Staphylococcus aureus USA300

Masahiro Suzuki

, Kazuhiro Yamada, Miki Nagao, Etsuko Aoki, Masakado Matsumoto, Tatsuya Hirayama, Hiroaki Yamamoto, Reiji Hiramatsu, Satoshi Ichiyama, and Yoshitsugu Iinuma

Author affiliations: Author affiliations: Aichi Prefectural Institute of Public Health, Nagoya, Japan (M. Suzuki, K. Yamada, M. Matsumoto, T. Hirayama, H. Yamamoto, R. Hiramatsu); Kyoto University Hospital, Kyoto, Japan (M. Nagao, S. Ichiyama, Y. Iinuma); Kyoto University, Kyoto (M. Nagao, S. Ichiyama, Y. Iinuma); National Hospital Organization Nagoya Medical Center, Nagoya (E. Aoki); Kanazawa Medical University, Kahoku, Japan (Y. Iinuma)

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Figure

Double-disk synergy test with 3 disks, bacitracin (B10 disk), neomycin (N30 disk), or polymyxin B (PL-B, PB300 disk) was performed with USA300 strain ATCC BAA1717. Disks were placed at 6 mm (A), 9 mm (B), and 11 mm (C) distance from disk centers. Neomycin and PL-B were found to be weakly synergistic.

Figure. Double-disk synergy test with 3 disks, bacitracin (B10 disk), neomycin (N30 disk), or polymyxin B (PL-B, PB300 disk) was performed with USA300 strain ATCC BAA1717. Disks were placed at 6 mm (A), 9 mm (B), and 11 mm (C) distance from disk centers. Neomycin and PL-B were found to be weakly synergistic.

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